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The value of dynamic contrast-enhanced MRI combined with DWI in differentiating non-mass breast cancer from granulomatous mastitis
ZHAN Rong-ting  CHEN Bing  WANG Xiao-dong  WANG Zhi-jun  YANG Wei  LIU Shan 

DOI:10.12015/issn.1674-8034.2018.12.012.


[Abstract] Objective: To investigate dynamic contrast-enhanced MRI combined with DWI in differentiating non-mass breast cancer from granulomatous mastitis (GM).Materials and Methods: 24 patients with no-mass breast cancer and 23 patients with GM confirmed by histopathology or biopsy were retrospectively analyzed. They performed dynamic contrast-enhanced MRI and DWI preoperatively. The type of time-intensity curve (TIC), morphologic characters and ADC value were analyzed.Results: Non-mass breast cancer TIC type Ⅰ, Ⅱ, Ⅲ were 6 cases, 13 cases, 5 cases. GM TIC type Ⅰ, Ⅱ, Ⅲ were 10 cases, 12 cases, 1 cases. There was no significant difference between non-mass breast cancer and GM. 24 cases of non-mass breast cancer, there were 16 cases of segment-like distribution and 8 cases of non-segment distribution. 23 cases of GM, there were 0 case of segment-like distribution and 23 cases of non-segment distribution. Non-mass breast cancer were detected cluster ring-like enhancement in 15 cases. GM were detected ring enhancement in 19 cases. The mean solid ADC value of non-mass breast cancer and GM were (1.09±0.25)× 10-3 mm2/s, (1.38±0.27)×10-3 mm2/s, respectively. There was statistical signifinance between non-mass breast cancer and GM. The mean abscess ADC value of GM was (0.86±0.24)×10-3 mm2/s. There was statistical significance between abscess and non abscess of GM.Conclusions: Morphologic characters and ADC have an important differential diagnostic value between non-mass breast cancer and GM.
[Keywords] Non-mass breast cancer；Granulomatous lobular mastitis；Dynamic contrast-enhanced；Diffusion weighted imaging；Magnetic resonance imaging

ZHAN Rong-ting Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750000, China

CHEN Bing Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750000, China

WANG Xiao-dong* Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750000, China

WANG Zhi-jun Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750000, China

YANG Wei Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750000, China

LIU Shan Department of Radiology, General Hospital of Ningxia Medical University, Yinchuan 750000, China

*Correspondence to: Wang XD, E-mail: xdw80@yeah.net

Conflicts of interest   None.

Received  2018-04-20
DOI: 10.12015/issn.1674-8034.2018.12.012
DOI:10.12015/issn.1674-8034.2018.12.012.

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